var moveSpeed = 20.0;

function OnTriggerEnter(other:Collider)
{
       if(other.gameObject.CompareTag("zvezda"))
       {
         moveSpeed = 30;
         yield WaitForSeconds(10);
         moveSpeed = 20;
       }
}

var moveSpeed = 1.0;
var turnSpeed = 1.0;     

function Update()     
{     
     if(Input.GetButton("W"))     
     {     
      transform.position.y += moveSpeed * Time.deltaTime;
     }     
     if(Input.GetButton("S"))     
     {     
      transform.position.y -= moveSpeed * Time.deltaTime;     
     }     
     if(Input.GetButton("D"))     
     {     
      transform.position.x += moveSpeed * Time.deltaTime;
     }     
     if(Input.GetButton("A"))     
     {     
      transform.position.x -= moveSpeed * Time.deltaTime;     
     }     
}